<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>在标签的 style 属性上设置CSS样式</title>
</head>
<body>
<div style="width: 300px;height: 100px;background-color: red">hello, 北京</div>
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<div style="width: 300px;height: 100px;background-color: red">hello, 上海</div>
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<div style="width: 300px;height: 100px;background-color: red">hello, 天津</div>
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</body>
</html>
